package com.erpoa.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

import java.util.concurrent.Executor;
import java.util.concurrent.ThreadPoolExecutor;

/**
 * @author chenjimin
 * @Title: ExecutorConfig
 * @ProjectName oaerp
 * @Description: TODO
 * @date 2020/10/814:45
 */
@Configuration
@EnableAsync
public class ExecutorConfig {

    /**
     * Set the ThreadPoolExecutor's core pool size.
     */
    private int corePoolSize = 10;
    /**
     * Set the ThreadPoolExecutor's maximum pool size.
     */
    private int maxPoolSize = 200;
    /**
     * Set the capacity for the ThreadPoolExecutor's BlockingQueue.
     */
    private int queueCapacity = 10;

    //无返回值
    @Bean("hjSimpleExecutor")
    public Executor hjSimpleExecutor() {
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        executor.setCorePoolSize(corePoolSize);
        executor.setMaxPoolSize(maxPoolSize);
        executor.setQueueCapacity(queueCapacity);
        executor.setThreadNamePrefix("hjSimpleExecutor-");
        // 设置线程活跃时间（秒）
        executor.setKeepAliveSeconds(60);
        // 等待所有任务结束后再关闭线程池
        executor.setWaitForTasksToCompleteOnShutdown(true);
        // rejection-policy：当pool已经达到max size的时候，如何处理新任务
        // CALLER_RUNS：不在新线程中执行任务，而是有调用者所在的线程来执行
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        executor.initialize();
        return executor;
    }

    //无返回值
    @Bean("hjExecutor")
    public Executor hjExecutor() {
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        executor.setCorePoolSize(corePoolSize);
        executor.setMaxPoolSize(maxPoolSize);
        executor.setQueueCapacity(queueCapacity);
        executor.setThreadNamePrefix("hjExecutor-");
        // 设置线程活跃时间（秒）
        executor.setKeepAliveSeconds(60);
        // 设置拒绝策略
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        // 等待所有任务结束后再关闭线程池
        executor.setWaitForTasksToCompleteOnShutdown(true);
        // rejection-policy：当pool已经达到max size的时候，如何处理新任务
        executor.initialize();
        return executor;
    }
}